420021201322 has 8 divisors (see below), whose sum is σ = 630035451972. Its totient is φ = 210009384000.

The previous prime is 420021201317. The next prime is 420021201343. The reversal of 420021201322 is 223102120024.

It can be written as a sum of positive squares in 2 ways, for example, as 364889691721 + 55131509601 = 604061^2 + 234801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 420021201322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87679 + ... + 920722.

Almost surely, 2^420021201322 is an apocalyptic number.

420021201322 is a deficient number, since it is larger than the sum of its proper divisors (210014250650).

420021201322 is a wasteful number, since it uses less digits than its factorization.

420021201322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216664.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 420021201322 its reverse (223102120024), we get a palindrome (643123321346).

The spelling of 420021201322 in words is "four hundred twenty billion, twenty-one million, two hundred one thousand, three hundred twenty-two".